package com.template.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.template.common.ResponseCode;

import java.io.Serializable;

/**
 * 高复用对象
 * @param <T>
 */
//保证序列化json的时候，如果是null对象，key也会消失
//@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ServerResponse<T> implements Serializable {
    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status){
        this.status=status;
    }

    private ServerResponse(int status,T data){
        this.status=status;
        this.data=data;
    }

    private ServerResponse(int status,String msg,T data){
        this.status=status;
        this.msg=msg;
        this.data=data;
    }

    private ServerResponse(int status,String msg){
        this.status=status;
        this.msg=msg;
    }

    @JsonIgnore
    //使之不在json序列化结果中
    public boolean isSuccess(){
        return  this.status== ResponseCode.SUCCESS.getCode();
    }

    public int getStatus(){
        return status;
    }

    public T getData(){
        return data;
    }

    public String getMsg(){
        return msg;
    }

    public static <T>  ServerResponse<T> createBySuccess(){
        return new ServerResponse<>(ResponseCode.SUCCESS.getCode());
    }

    public static <T>  ServerResponse<T> createBySuccessMessage(String msg){
        return new ServerResponse<>(ResponseCode.SUCCESS.getCode(),msg);
    }

    public static <T>  ServerResponse<T> createBySuccess(T data){
        return new ServerResponse<>(ResponseCode.SUCCESS.getCode(),data);
    }

    public static <T>  ServerResponse<T> createBySuccess(T data,String msg){
        return new ServerResponse<>(ResponseCode.SUCCESS.getCode(),msg,data);
    }


    public static <T>  ServerResponse<T> createByError(){
        return new ServerResponse<>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
    }

    public static <T> ServerResponse<T> createByErrorMessage(String errorMsg){
        return new ServerResponse<>(ResponseCode.ERROR.getCode(),errorMsg);
    }

    public static <T> ServerResponse<T> createByErrorMessage(int errorCode,String errorMsg){
        return new ServerResponse<>(errorCode,errorMsg);
    }

}


